Home / 945,648,001.40-1,418,472,002.10-510,291,534.20

Finding the Fourth Proportional to 945,648,001.40, 1,418,472,002.10 and 510,291,534.20

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Solution

The fourth proportional to 945,648,001.40, 1,418,472,002.10 and 510,291,534.20 is: 765,437,301.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    945,648,001.40 : 1,418,472,002.10 = 510,291,534.20 : x
  2. Step 2: Convert to fraction form
    945,648,001.40/1,418,472,002.10 = 510,291,534.20/x
  3. Step 3: Cross multiply
    945,648,001.40x = 1,418,472,002.10 × 510,291,534.20
  4. Step 4: Simplify right side
    945,648,001.40x = 723,834,254,171,354,496
  5. Step 5: Solve for x
    x = 723,834,254,171,354,496/945,648,001.40
  6. Step 6: Final answer
    x = 765,437,301.30

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.